A string line is stretched between corner stakes on all four sides of the excavation to establish the footing's _____.
a. outer face
b. bottom grade
c. top grade
d. upper face
c. top grade
You might also like to view...
Safety coordinators become aware of changes needed for permanent improvement in safety procedures by _____.
a. identifying the root of the accident b. keeping accurate electronic records c. receiving daily safety reports from workers d. analyzing the effectiveness of training
The most suitable cutting process to use on ferrous metals such as straight carbon steel is _____.
a. carbon arc cutting b. oxyfuel cutting c. powder cutting d. plasma arc cutting
Upon completion all brickwork shall be thoroughly cleaned with ____ and stiff fiber brushes and then rinsed with clean water.
A. acids B. clean water C. detergent D. alcohol
Compared to furnaces installed at lower altitudes, furnaces installed at higher altitudes:
A) Require a larger vent. B) Have a higher firing rate. C) Have a lower firing rate. D) Heat up more quickly.